Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1999EXPLORER 2WD V8-302 5.0L VIN P SFIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUS
1999 Ford Explorer 2WD V8-302 5.0L VIN P SFI
Information Bus
1999 Ford Explorer 2WD V8-302 5.0L VIN P SFISECTION Information Bus
Description and Operation
Testing and Inspection- Flow of Diagnosis
- Pinout Values and Diagnostic Parameters
- Module Communication Network
- Inspection and Verification (Start Here)
- Diagnostic Special Service Tool(s)
- System Precheck
- Pinpoint Tests
- A: No Response to the NGS Tester - 4-Wheel ABS Control Module
- B: No Response to NGS Tester - GEM/CTM
- C: No Response to NGS Tester - Restraint Control Module (RCM)
- D: RAP Module Does Not Respond To NGS Tester
- E: The PCM Does Not Respond to the NGS Tester
- F: Air Suspension Control Module Doesn't Respond To NGS Tester
- G: EATC Module Doesn't Respond To NGS Tester
- H: No Response To NGS Tester - Driver Seat Module (DSM)
- I: No Response To NGS Tester - Parking Air Module (PAM)
- J: Pass. Antitheft Sys. (PATS) Module No Response To NGS Tester
- K: No Module/Network Communication - ISO 9141 Network
- L: No Module/Network Communication - SCP Network
- M: No Module/Network Communication - No Power to the NGS Tester
- Symptom Chart
- Module Configuration
- Module Communication Network
Service and Repair
Diagrams
Specifications
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.